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KMID : 1059519850290060615
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Journal of the Korean Chemical Society
1985 Volume.29 No. 6 p.615 ~ p.622
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Chemical Species of Uranium and Vanadium in Organic Acid Media
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Cha Ki-Won
Yu Cong-Sik
Kim Jong-Hun
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Abstract
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The chemical species formed by uranium and vanadium and their equilibria have been investigated in the various concentrations of oxalic and acetic acids by the ion exchange chromatography and UV-Vis spectrophotometry. Uranyl and vanadyl ions seem to be form the complex as UO2(C2O4)2=, UO2(C2O4)34- and VO2(C2O4)23- respectively in the concentration range of 0.005∼0.05M oxalic acid concentration. In the case of acetic acid the equilibria of UO22+ + 3Ac- = UO2(Ac)3- and VO2+ + 2Ac- = VO2(Ac)2- were existed individually according to the increase of acetic acid concentration.
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